Lazy dataframes (#5546)

* lazyframe definition

* expressions and lazy frames

* new alias expression

* more expression commands

* updated to polars main

* more expressions and groupby

* more expressions, fetch and sort-by

* csv reader

* removed open csv

* unique function

* joining functions

* join lazy frames commands with eager commands

* corrected tests

* Update .gitignore

* Update .gitignore

Co-authored-by: JT <547158+jntrnr@users.noreply.github.com>

crates/nu-protocol/src/value/from_value.rs

@@ -238,6 +238,31 @@ impl FromValue for Vec<String> {
     }
 }
 
+impl FromValue for Vec<bool> {
+    fn from_value(v: &Value) -> Result<Self, ShellError> {
+        match v {
+            Value::List { vals, .. } => vals
+                .iter()
+                .map(|val| match val {
+                    Value::Bool { val, .. } => Ok(*val),
+                    c => Err(ShellError::CantConvert(
+                        "bool".into(),
+                        c.get_type().to_string(),
+                        c.span()?,
+                        None,
+                    )),
+                })
+                .collect::<Result<Vec<bool>, ShellError>>(),
+            v => Err(ShellError::CantConvert(
+                "bool".into(),
+                v.get_type().to_string(),
+                v.span()?,
+                None,
+            )),
+        }
+    }
+}
+
 impl FromValue for CellPath {
     fn from_value(v: &Value) -> Result<Self, ShellError> {
         let span = v.span()?;